【實用書籍app】DroidSat|最夯免費app

DroidSat is a real-time satellite tracker.

Point your handset at the sky and see which satellites are there.

Droidsat is for advanced users who want to use their own TLEs or work offline.

Novice users may prefer Space junk or Satellite AR which are more user friendly.

Key features of DroidSat:

- after satellite files have been downloaded, no network connection is required.

- ability to load your own satellite TLE files.

- highly configurable display settings can minimize CPU use and save power.

- fast forward and orbital path display to show future satellite positions.

Enable GPS location and your internet connection before starting it for the first time.

Menu functions:

menu->choose tles - select the category of satellite to display (stations.txt for ISS, visual.txt for the brightest satellites, tle-new.txt for recent launches)

menu->playback speed - speed up display by a factor of 10, 30 or 60.

menu->updated tles - update the satellite database. Do this once a week, or after new satellite launches.

menu->preferences - change your display properties (colours, etc.)

You may also copy your own TLE files to

/sdcard/Android/data/com.mkf.droidsat/files

Further instructions are available at

http://sites.google.com/site/droidsatproject/instructions

DroidSat is GPL. Source code available at

http://code.google.com/p/droidsat/

DroidSat uses Horst Meyerdierks' Sputnik 3.1 java program for satellite position calculations.

Satellite orbital data is downloaded from the celestrak.net, amsat.org and Mike McCants' websites.

Latest update uses MyLocation class from Fedor on stackoverflow.com

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